The Meprolight Tru-Dot Night Sights for the HK USP 9mm, .40 S&W, and .45 ACP deliver combat-proven, self-illuminated performance — giving you a decisive edge in low-light and no-light defensive situations without ever reaching for a battery.
- Green front tritium vial paired with orange rear for instant target acquisition
- Self-illuminated tritium — no batteries, no switches, always ready
- Direct replacement for factory HK USP front and rear sights
- Effective in daylight, dusk, and complete darkness for true 24/7 readiness
- Highly durable housing engineered to withstand hard field use
- Trusted by leading firearm manufacturers as OEM-grade hardware
Who This Is For
These sights are ideal for HK USP owners who carry for personal protection, compete in low-light shooting events, or serve in law enforcement and security roles. If you rely on your pistol when the lights go out, the Meprolight Tru-Dot is a straightforward, no-compromise upgrade that dramatically increases your hit probability on stationary and moving targets alike.
Specifications
| Brand | Meprolight |
|---|---|
| Model | Tru-Dot Night Sights |
| Compatible Firearm | HK USP 9mm / .40 S&W / .45 ACP |
| Front Sight Color | Green Tritium |
| Rear Sight Color | Orange Tritium |
| Illumination Type | Self-Illuminated Tritium (no battery) |
| Installation | Direct replacement, minor fitting may apply |
| Tritium Warranty | 12-year manufacturer guarantee |
| Country of Origin | Israel |
| Part Number | MEP115163301 |
Frequently Asked Questions
Will these sights fit all HK USP variants, including the USP Compact and USP Tactical?
These Meprolight Tru-Dot sights are specifically designed for the full-size HK USP chambered in 9mm, .40 S&W, and .45 ACP. They are not guaranteed to fit the USP Compact or USP Tactical without modification, as those models use different sight dimensions and dovetail cuts. Always verify your exact model and variant before ordering, or contact Meprolight directly for compatibility confirmation.
How long do tritium night sights last, and will they dim over time?
Tritium is a radioactive gas that naturally decays over time, with a half-life of approximately 12 years. This means your Meprolight Tru-Dot sights will be at roughly half their original brightness after 12 years of use — though they remain functional for self-defense purposes beyond that point. Meprolight backs their tritium vials with a 12-year warranty, reflecting the practical service life of the illuminated elements.
Do I need a gunsmith to install these sights, or can I do it myself?
While some experienced shooters install their own sights using a sight pusher tool or sight installation block, HK USP sights can require precise fitting. Improper installation risks damaging the sight dovetails or misaligning your zero. For best results — especially if this is your carry pistol — we recommend having a qualified gunsmith perform the installation to ensure proper fitment, torque, and zero verification.